#!/usr/bin/env python3
#-*- coding:utf-8 -*- 

import matplotlib.pyplot as plt
import numpy as np

fig = plt.figure()
fig.subplots_adjust(top=0.8)
ax1 = fig.add_subplot(2, 1, 1)
ax1.set_ylabel('volts')
ax1.set_title('a sine wave')

t = np.arange(0.0, 1.0, 0.01)
s = np.sin(2 * np.pi * t)
line,=ax1.plot(t, s, color='blue', lw=2)

np.random.seed(19680801)

ax2 = fig.add_axes([0.15, 0.1, 0.7, 0.3])
n, bins, patches = ax2.hist(np.random.randn(1000), 50, facecolor='gray', edgecolor='red')

ax2.set_xlabel('time (s)')

plt.show()








